REMOVE

1. Acetate negatives
2. Portrait photographs
3. Photographs
4. Library of Congress Prints a …
5. not before 1919 Mar

WHAT

1. Acetate negatives (1)
2. Portrait photographs (1)
3. negative (1)

WHO

1. Genthe, Arnold (1)
2. Library of Congress Print … (1)

WHEN

1. 1869-1942 (1)
2. 1919 (1)
3. 1921 (1)
4. not before 1919 Mar (1)